Vanessa Hudgens mourns dad hours before 'Grease: Live'

In some sad news, Vanessa Hudgens' father died hours before she took to the stage to perform in Grease Live this weekend.

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In a commendable move, Vanessa decided to go on with the show in his honour. She tweeted: "I am so sad to say that last night my daddy, Greg passed away from stage 4 cancer. Thank you to everyone who kept him in your prayers."